mysql rename schema

Using rename table in MySQL to quickly and efficiently RENAME a database (schema) Once a new database (schema) is created in MySQL, it cannot be renamed, therefore, if you need to rename a database, the general practice is to dump the data in the

The current MySQL once created a new library (schema) can not be renamed it, so if you need to rename a library to the general practice is to dump the data in the target library to import the new library to rename, in the MySQL import is using a

Principles and Application of pt-online-schema-change, ptonlinechangeschema If it is reprinted, please indicate the source of the blog: www.cnblogs.com/xinysu/. The copyright belongs to xiaoradish in the blog garden. Thank you for your

Mysql basics: deleting databases and tables, rename a table ============== delete a DATABASE ================ drop database is used to cancel the table used in the DATABASE and cancel the DATABASE. Be careful when using this statement! To use drop

Pt-Online-schema-change of MySQL online DDL Tool MySQL DDL:DDL is a feature that makes all MySQL ddbas criticized, because in MySQL, when dDDL is performed on a table, it locks the table. When the table is small, such as less than 1 W rows, it has

Five ways to change MySQL database name: The code is as follows Copy Code 1. RENAME DATABASE db_name to New_db_name This one.. This syntax is added to the MySQL 5.1.7, 5.1.23 and removed.It is said that it is

Although MySQL has rename database syntax, but only in 5.1.7 to 5.1.23 provided, the other version does not, want to do rename operation how to do? Percona provides a shell#!/Bin/bash# Copyright -Percona LLCand/orIts affiliatesSet -eif [- Z " $ $"];

The OSC is one of the more familiar tools for DBAs and the most heavyweight tool in the toolkit of PT.After mysql-5.6 support OLDDL, most people may feel that the tool has no meaning, in fact, in some special circumstances, this tool is very

When you modify a schema by using the Pt-online-schema-change tool, a new table with the same structure as the original data table is created, and the data from the original table is progressively copied to the new table.For example, a ZS table with

Pick to: This paper describes the problemof MySQL DDL , thept-online-schema-change of the work principle , and the actual use of The pt-online-schema-change tool modifies the 160 million-level data table structure on-line in the production